CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: emerald
PostPosted: Wed Jan 23, 2013 11:19 pm 
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hi,I was reading an article about emerald.it was talking about adding oil to emerald rough to make its color stronger and more clear.does anybody know what kind of oil?and how for how long?thanks.


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 Post subject: Re: emerald
PostPosted: Fri Jan 25, 2013 12:07 pm 
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http://www.gemologyproject.com/wiki/ind ... le=Emerald

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 Post subject: Re: emerald
PostPosted: Sun Feb 17, 2013 1:04 pm 
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Courtesy of GemLab, via Alberto Scarani, I've uploaded an article on the clarity enhancements of emerald:
Direct link:
http://www.gemologyonline.com/Gemlab_%2 ... eralds.pdf
[pdfview]http://www.gemologyonline.com/Gemlab_%20the_dentification_of%20_clarity_enhancements_of_emeralds.pdf[/pdfview]


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 Post subject: Re: emerald
PostPosted: Sun Feb 17, 2013 1:28 pm 
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hi

matt wrote:
hi,I was reading an article about emerald.it was talking about adding oil to emerald rough to make its color stronger and more clear.


actually emerald filling is an old routine procedure performed to enhance clarity ONLY....... :wink:

ciao
alberto

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